Silencing device integrated in air filter and automobile engine comprising same

Abstract

The utility model discloses a silencing device integrated inside an air filter and an automobile engine comprising the silencing device, the silencing device integrated inside the air filter comprises an air filter shell and a partition plate, and the partition plate is located inside the air filter shell. A plurality of clamping grooves are formed in the inner wall face of the air filter shell, the partition plate comprises a plate body and a plurality of clamping structures, the clamping structures correspond to the clamping grooves one to one, one end of each clamping structure is connected to the plate body, and the other end of each clamping structure is connected to the partition plate. The other end of each clamping structure is connected into the corresponding clamping groove in a buckled mode so that the partition plate can be connected into the air filter shell, and a resonant cavity used for silencing is formed between the partition plate and the air filter shell. The partition plate forms a resonant cavity in the air filter shell for noise elimination, the cost is lower, and more arrangement space can be saved in a whole vehicle; meanwhile, the connection stability is high, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of muffler integrated in the interior of air cleaner and automobile engine comprising it. BACKGROUND

[0002] At present, various noises are generated due to engine operation during driving of automobile, especially in the intake system of engine, corresponding muffler needs to be designed according to different noise frequencies, since the muffler needs to be arranged in the intake system, the cost of the muffler is high. At the same time, the overall structure of the muffler is large, which causes a large layout space in the vehicle. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned deficiencies existing in the prior art, and provides a kind of muffler integrated in the interior of air cleaner and automobile engine comprising it.

[0004] The utility model is implemented by the following technical solutions:

[0005] A kind of muffler integrated in the interior of air cleaner, it includes air cleaner shell and baffle, the baffle is located in the interior of the air cleaner shell, the inner wall surface of the air cleaner shell has multiple clamping grooves, the baffle includes plate body and multiple clamping structures, multiple the clamping structure and multiple the clamping groove one-to-one correspondence, and the one end of multiple the clamping structure is connected to the plate body, the other end of the clamping structure is buckled and connected in the corresponding clamping groove, to make the baffle be connected in the air cleaner shell, resonant cavity for muffling is formed between the baffle and the air cleaner shell.

[0006] Further, multiple the clamping groove is located in the resonant cavity, multiple the clamping structure is all extended into the resonant cavity.

[0007] Further, the inner wall surface of the air cleaner shell has multiple avoiding notches, multiple the avoiding notches and multiple the clamping groove one-to-one correspondence, multiple the avoiding notches are located outside the resonant cavity, and multiple the avoiding notches are located above the corresponding clamping groove and exposed on the side surface of the baffle.

[0008] Further, the inner wall surface of the air cleaner shell has multiple first reinforcing ribs outwardly protruding, multiple the first reinforcing ribs are all located in the resonant cavity, and the plate body is abutted on multiple the first reinforcing ribs.

[0009] Further, the baffle further includes multiple second reinforcing ribs, multiple the second reinforcing ribs are all located in the resonant cavity and connected to the plate body.

[0010] Further, the partition plate further comprises a cylinder, the cylinder is located in the resonant cavity, one end of the cylinder is connected to the plate body, the other end of the cylinder extends along the direction close to the inner wall surface of the air filter shell, and a through hole is formed between the cylinder and the plate body.

[0011] Further, the plate body is rectangular in shape, and the number of the clamping structures is four, and the four clamping structures are respectively located at two ends of two long sides of the partition plate.

[0012] Further, the air filter shell comprises a lower shell and an upper shell, the partition plate is connected to the lower shell and forms the resonant cavity, the upper shell is connected to the lower shell, and a sealing ring is arranged between the upper shell and the lower shell.

[0013] Further, the partition plate is injection molded plastic.

[0014] A car engine comprising the sound attenuation device integrated in the air filter as described above.

[0015] The utility model discloses the beneficial effect lies in:

[0016] The utility model discloses the sound attenuation device integrated in the air filter and the car engine containing it, the partition plate is connected in the multiple clamping slots of air filter shell through multiple clamping structures, makes the partition plate form resonant cavity in the air filter shell and carries out sound attenuation, and the resonant cavity is lower in cost compared to the traditional separate muffler, and the more space can be saved in the whole vehicle, simultaneously, the connection stability is high, and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the sound attenuation device integrated in the air filter of the utility model embodiment.

[0018] Figure 2 It is the internal structure schematic diagram of the sound attenuation device integrated in the air filter of the utility model embodiment.

[0019] Figure 3 It is Figure 2 The partial enlarged schematic diagram of A part in it.

[0020] Figure 4 It is the structure schematic diagram of the lower shell of the utility model embodiment.

[0021] Figure 5 It is Figure 4 The partial enlarged schematic diagram of B part in it.

[0022] Figure 6 It is the three-dimensional structure schematic diagram of the partition plate of the utility model embodiment.

[0023] Figure 7 The structure schematic view of the partition plate of the embodiment of the utility model.

[0024] Mark explanation:

[0025] Air cleaner housing 1

[0026] Clamping groove 11

[0027] Avoidance gap 12

[0028] First reinforcing rib 13

[0029] Lower shell 14

[0030] Upper shell 15

[0031] Sealing ring 16

[0032] Partition plate 2

[0033] Plate body 21

[0034] Clamping structure 22

[0035] Resonant cavity 23

[0036] Second reinforcing rib 24

[0037] Cylinder 25

[0038] Through hole 251 Specific implementation

[0039] The following description of each embodiment is with reference to the accompanying drawings to illustrate specific embodiments that the utility model can be used to implement.

[0040] The embodiment discloses an automobile engine, which comprises a muffling device integrated in an air cleaner. Figures 1 to 7 As shown in the figure, the integrated muffling device in the air cleaner comprises an air cleaner housing 1 and a partition plate 2, the partition plate 2 is located in the interior of the air cleaner housing 1, the inner wall surface of the air cleaner housing 1 is provided with a plurality of clamping grooves 11, the partition plate 2 comprises a plate body 21 and a plurality of clamping structures 22, the plurality of clamping structures 22 correspond to the plurality of clamping grooves 11 one by one, and one end of the plurality of clamping structures 22 is connected to the plate body 21, the other end of the clamping structure 22 is buckled and connected in the corresponding clamping groove 11, so that the partition plate 2 is connected in the air cleaner housing 1, and a resonant cavity 23 for muffling is formed between the partition plate 2 and the air cleaner housing 1.

[0041] The inner wall surface of the air filter housing 1 has a plurality of clamping grooves 11, and the partition plate 2 is connected into the plurality of clamping grooves 11 of the air filter housing 1 through the plurality of clamping structures 22, so that the connection stability between the partition plate 2 and the air filter housing 1 is high, and the use is convenient. At the same time, the partition plate 2 forms a resonance cavity 23 inside the air filter housing 1 to perform noise reduction, and the cost is lower through the resonance cavity 23 compared with a traditional separate muffler, and the layout space in the whole vehicle can be saved.

[0042] In the embodiment, the air filter housing 1 includes a lower housing 14 and an upper housing 15, the partition plate 2 is connected to the lower housing 14 and is formed with the resonance cavity 23, and the upper housing 15 is connected to the lower housing 14, and a sealing ring 16 is arranged between the upper housing 15 and the lower housing 14. First, the partition plate 2 is connected to the lower housing 14 and is formed with the resonance cavity 23, and the noise reduction device integrated in the air filter will design different separate cavities to eliminate different noise frequencies, and then the upper housing 15 is installed to connect the lower housing 14, which is convenient to assemble and has high stability. At the same time, the sealing effect of the air filter housing 1 is further enhanced through the sealing ring 16, and the noise is further eliminated.

[0043] The plurality of clamping grooves 11 are located in the resonance cavity 23, and the plurality of clamping structures 22 extend into the resonance cavity 23. Specifically, the plurality of clamping grooves 11 are located on the inner wall surface of the lower housing 14, the partition plate 2 is connected to the plurality of clamping grooves 11 of the lower housing 14 through the plurality of clamping structures 22 and is formed with the resonance cavity 23, so that the plurality of clamping grooves 11 and the plurality of clamping structures 22 are located in the resonance cavity 23 without being located outside the resonance cavity 23, which does not affect the external space structure of the resonance cavity 23, and then the upper housing 15 is installed.

[0044] In the embodiment, the shape of the plate body 21 is rectangular, the number of the clamping structures 22 is four, and the four clamping structures 22 are respectively located at the two ends of the two long edges of the partition plate 2. The four clamping structures 22 enable the partition plate 2 to be stably installed and connected in the lower housing 14, have high connection stability, and have simple structure and convenient use.

[0045] The inner wall surface of the air filter housing 1 has a plurality of avoiding notches 12, the plurality of avoiding notches 12 correspond to the plurality of clamping grooves 11 one by one, the plurality of avoiding notches 12 are located outside the resonance cavity 23, and the plurality of avoiding notches 12 are located above the corresponding clamping grooves 11 and are exposed on the side surface of the partition plate 2. The avoiding notches 12 form avoiding spaces for realizing that a tool extends into the avoiding notches 12 and acts on the side surface of the partition plate 2, so that the clamping structures 22 on the partition plate 2 are separated from the clamping grooves 11, and the partition plate 2 is convenient to take out.

[0046] The inner wall surface of the air cleaner housing 1 has a plurality of first reinforcing ribs 13 protruding outward, the plurality of first reinforcing ribs 13 are located in the resonance cavity 23, and the plate body 21 abuts against the plurality of first reinforcing ribs 13. The first reinforcing ribs 13 have a reinforcing effect, the structural strength of the air cleaner housing 1 can be effectively reinforced through the plurality of first reinforcing ribs 13, the partition plate 2 is firmly and reliably installed in the air cleaner housing 1, and the stability of the integrated noise elimination device in the air cleaner is higher. Meanwhile, the plate body 21 abuts against the plurality of first reinforcing ribs 13, the collapse of the partition plate 2 is effectively prevented through the plurality of first reinforcing ribs 13, the connection stability between the partition plate 2 and the air cleaner housing 1 is higher, and therefore the noise elimination is ensured. In the embodiment, the four first reinforcing ribs 13 are respectively adjacent to the four clamping grooves 11 and are used for abutting against the bottom surface of the plate body 21.

[0047] The partition plate 2 further comprises a plurality of second reinforcing ribs 24, the plurality of second reinforcing ribs 24 are located in the resonance cavity 23 and are connected to the plate body 21. The second reinforcing ribs 24 have a reinforcing effect, the structural strength of the partition plate 2 can be effectively reinforced through the plurality of second reinforcing ribs 24, the partition plate 2 is firmly and reliably installed in the air cleaner housing 1, and the stability of the integrated noise elimination device in the air cleaner is higher.

[0048] The partition plate 2 further comprises a cylinder 25, the cylinder 25 is located in the resonance cavity 23, one end of the cylinder 25 is connected to the plate body 21, the other end of the cylinder 25 extends in a direction close to the inner wall surface of the air cleaner housing 1, and a through hole 251 is formed between the cylinder 25 and the plate body 21.

[0049] In the embodiment, the partition plate 2 is injection molded plastic, the material of the partition plate 2 is plastic, and the partition plate 2 is integrally processed and molded through injection molding, so that the processing and manufacturing are convenient, the cost is low, and the structural strength stability is high.

[0050] The above only discloses preferred embodiments of the utility model, and of course cannot limit the scope of the utility model, therefore equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A muffling device integrated inside an air cleaner, characterized by, The air cleaner comprises an air cleaner shell and a partition plate, the inner wall of the air cleaner shell is provided with a plurality of clamping grooves, the partition plate comprises a plate body and a plurality of clamping structures, the plurality of clamping structures correspond to the plurality of clamping grooves one by one, one end of the plurality of clamping structures is connected to the plate body, and the other end of the clamping structure is buckled and connected in the corresponding clamping groove, so that the partition plate is connected in the air cleaner shell, and a resonance cavity for sound elimination is formed between the partition plate and the air cleaner shell.

2. The muffling device integrated inside an air cleaner according to claim 1, wherein The plurality of clamping grooves are located in the resonance cavity, and the plurality of clamping structures extend into the resonance cavity.

3. The muffling device integrated inside an air cleaner according to claim 1, wherein The inner wall of the air cleaner shell is provided with a plurality of avoiding notches, the plurality of avoiding notches correspond to the plurality of clamping grooves one by one, the plurality of avoiding notches are located outside the resonance cavity, and the plurality of avoiding notches are located above the corresponding clamping grooves and exposed on the side surface of the partition plate.

4. The muffling device integrated inside an air cleaner according to claim 1, wherein The inner wall of the air cleaner shell is provided with a plurality of outwardly protruding first reinforcing ribs, the plurality of first reinforcing ribs are located in the resonance cavity, and the plate body abuts against the plurality of first reinforcing ribs.

5. The apparatus according to claim 1, wherein The partition plate further comprises a plurality of second reinforcing ribs, the plurality of second reinforcing ribs are located in the resonance cavity and connected to the plate body.

6. The muffling device integrated inside an air cleaner according to claim 1, wherein The partition plate further comprises a cylinder, the cylinder is located in the resonance cavity, one end of the cylinder is connected to the plate body, the other end of the cylinder extends along the direction close to the inner wall of the air cleaner shell, and a through hole is formed between the cylinder and the plate body.

7. The apparatus according to claim 1, wherein The plate body is rectangular, the number of the clamping structures is four, and the four clamping structures are located at two ends of two long edges of the partition plate.

8. The apparatus according to claim 1, wherein The air cleaner shell comprises a lower shell and an upper shell, the partition plate is connected to the lower shell and forms the resonance cavity, the upper shell is connected to the lower shell, and a sealing ring is arranged between the upper shell and the lower shell.

9. The apparatus according to claim 1, wherein The partition plate is injection molded plastic.

10. An automotive engine characterized by comprising: The air cleaner comprises the sound elimination device integrated in the air cleaner according to any one of claims 1-9. The air cleaner comprises the sound elimination device integrated in the air cleaner according to any one of claims 1-9.

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